DE3273367D1 - Process for preparing hydroxypropyl starch - Google Patents
Process for preparing hydroxypropyl starchInfo
- Publication number
- DE3273367D1 DE3273367D1 DE8282109307T DE3273367T DE3273367D1 DE 3273367 D1 DE3273367 D1 DE 3273367D1 DE 8282109307 T DE8282109307 T DE 8282109307T DE 3273367 T DE3273367 T DE 3273367T DE 3273367 D1 DE3273367 D1 DE 3273367D1
- Authority
- DE
- Germany
- Prior art keywords
- hydroxypropyl starch
- preparing hydroxypropyl
- preparing
- starch
- hydroxypropyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/08—Ethers
- C08B31/12—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/38—Polysaccharides or derivatives thereof
- C04B24/383—Cellulose or derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8282109307T DE3273367D1 (en) | 1981-10-20 | 1982-10-08 | Process for preparing hydroxypropyl starch |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813141499 DE3141499A1 (en) | 1981-10-20 | 1981-10-20 | METHOD FOR PRODUCING HYDROXYPROPYL STARCH |
DE8282109307T DE3273367D1 (en) | 1981-10-20 | 1982-10-08 | Process for preparing hydroxypropyl starch |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3273367D1 true DE3273367D1 (en) | 1986-10-23 |
Family
ID=6144441
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19813141499 Withdrawn DE3141499A1 (en) | 1981-10-20 | 1981-10-20 | METHOD FOR PRODUCING HYDROXYPROPYL STARCH |
DE8282109307T Expired DE3273367D1 (en) | 1981-10-20 | 1982-10-08 | Process for preparing hydroxypropyl starch |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19813141499 Withdrawn DE3141499A1 (en) | 1981-10-20 | 1981-10-20 | METHOD FOR PRODUCING HYDROXYPROPYL STARCH |
Country Status (5)
Country | Link |
---|---|
US (1) | US4451649A (en) |
EP (1) | EP0077949B1 (en) |
JP (1) | JPS5879002A (en) |
DE (2) | DE3141499A1 (en) |
FI (1) | FI69083C (en) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3302988A1 (en) * | 1983-01-29 | 1984-08-02 | Henkel KGaA, 4000 Düsseldorf | PLASTER MIXTURES WITH A STRENGTH KEETHER CONTENT |
JPS6172663A (en) * | 1984-09-13 | 1986-04-14 | 信越化学工業株式会社 | Drip resistant cement mortar composition |
SE462100B (en) * | 1985-08-08 | 1990-05-07 | Perstorp Ab | COMPOSITION AND ITS USE IN A TWO OR MULTIPLE SYSTEM |
US5575840A (en) * | 1993-10-29 | 1996-11-19 | National Starch And Chemical Investment Holding Corporation | Cement mortar systems using blends of polysaccharides and cold-water-soluble, unmodified starches |
US6051700A (en) * | 1999-02-11 | 2000-04-18 | Grain Processing Corporation | Process and method for hydroxyalkylation of starch and hydroxyalkyl starch prepared accordingly |
DE102004048431A1 (en) * | 2004-10-05 | 2006-04-13 | Voith Paper Patent Gmbh | Process for producing a fibrous web |
KR100764033B1 (en) | 2004-12-28 | 2007-10-09 | 주식회사 삼양제넥스 | Process for the production of Hydroxypropyl carboxymethylated starch using dry process |
USRE44070E1 (en) | 2005-06-09 | 2013-03-12 | United States Gypsum Company | Composite light weight gypsum wallboard |
US7731794B2 (en) | 2005-06-09 | 2010-06-08 | United States Gypsum Company | High starch light weight gypsum wallboard |
US11338548B2 (en) | 2005-06-09 | 2022-05-24 | United States Gypsum Company | Light weight gypsum board |
US20110195241A1 (en) * | 2005-06-09 | 2011-08-11 | United States Gypsum Company | Low Weight and Density Fire-Resistant Gypsum Panel |
US11306028B2 (en) | 2005-06-09 | 2022-04-19 | United States Gypsum Company | Light weight gypsum board |
US9802866B2 (en) | 2005-06-09 | 2017-10-31 | United States Gypsum Company | Light weight gypsum board |
US9840066B2 (en) | 2005-06-09 | 2017-12-12 | United States Gypsum Company | Light weight gypsum board |
CN101024706B (en) * | 2006-02-22 | 2010-10-13 | 西北师范大学 | Preparing method of composite catalytic solid-phase prepared hydroxypropyl starch |
CN101935356B (en) * | 2010-08-17 | 2012-01-25 | 邸勇 | Method for preparing hydroxypropyl starch ether |
CN102532330B (en) * | 2010-12-21 | 2014-02-05 | 北大方正集团有限公司 | Method for preparing medium molecular weight hydroxyethyl starch |
KR101230213B1 (en) * | 2010-12-29 | 2013-02-05 | 주식회사 삼양제넥스 | Methods for manufacturing hydroxyalkyl starch |
CN103509127A (en) * | 2012-06-30 | 2014-01-15 | 山东光大科技发展有限公司 | Slurry method production process of low-bath-ratio high-substituted hydroxypropyl starch ether |
DK3110452T3 (en) * | 2014-02-27 | 2022-03-21 | B Organic Films Corp | BIOACTIVE MEASURES INCLUDED IN FUNCTIONALIZED STARCH WITH A SINGLE HELIX-V STRUCTURE |
GB201413832D0 (en) * | 2014-08-05 | 2014-09-17 | Tate & Lyle Ingredients | Starch compositions useful for thickening aqueous liquids |
CN105481990B (en) * | 2016-01-06 | 2018-05-15 | 中州大学 | A kind of method that green high-pressure process prepares hydroxypropul starch |
US10837142B2 (en) | 2018-12-14 | 2020-11-17 | Sappi North America, Inc. | Paper coating composition with highly modified starches |
CN110590966B (en) * | 2019-10-28 | 2020-10-23 | 山东一滕新材料股份有限公司 | Preparation method of modified starch ether for improving tile adhesive sliding property |
EP3885370A1 (en) * | 2020-03-24 | 2021-09-29 | Amynova Polymers GmbH | Biocompatible carrier formulation for applications in plant protection and plant growth stimulation or in cosmetics and personal care on the basis of modified starch |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2516632A (en) * | 1946-08-07 | 1950-07-25 | Penick & Ford Ltd Inc | Starch ethers in original granule form |
US2516633A (en) * | 1947-04-10 | 1950-07-25 | Penick & Ford Ltd Inc | Preparation of starch ethers in original granule form |
US2516634A (en) * | 1947-08-13 | 1950-07-25 | Penick & Ford Ltd Inc | Cold-water swelling starch ethers in original granule form |
US2733238A (en) * | 1951-02-23 | 1956-01-31 | Reaction of starch and alkylene oxides | |
US2845417A (en) * | 1955-10-06 | 1958-07-29 | Penick & Ford Ltd Inc | Hydroxyalkylation of ungelatinized starches and dextrins in aqueous, water-miscible alcohols |
US2900268A (en) * | 1956-11-15 | 1959-08-18 | John C Rankin | Process for preparing hydroxyalkylated cereal flour |
US3033853A (en) * | 1959-04-15 | 1962-05-08 | Hercules Powder Co Ltd | Preparation of hydroxyalkyl starches |
US3278520A (en) * | 1963-02-08 | 1966-10-11 | Hercules Inc | Hydroxypropyl cellulose and process |
US3378546A (en) * | 1965-03-03 | 1968-04-16 | American Maize Prod Co | Hydroxypropyl starch ether |
US3577407A (en) * | 1969-05-19 | 1971-05-04 | Penick & Ford Ltd | Highly hydroxypropylated granule potato starch |
US3652539A (en) * | 1970-03-09 | 1972-03-28 | Nippon Soda Co | Process for the production of hydroxypropyl cellulose |
US3705891A (en) * | 1970-11-04 | 1972-12-12 | Staley Mfg Co A E | Method for producing ungelatinized starch derivatives |
GB2029431B (en) * | 1978-06-23 | 1983-02-02 | Nat Starch Chem Corp | Method of preparing hydroxypropylated starch derivatives |
-
1981
- 1981-10-20 DE DE19813141499 patent/DE3141499A1/en not_active Withdrawn
-
1982
- 1982-09-30 US US06/428,853 patent/US4451649A/en not_active Expired - Fee Related
- 1982-10-08 EP EP82109307A patent/EP0077949B1/en not_active Expired
- 1982-10-08 DE DE8282109307T patent/DE3273367D1/en not_active Expired
- 1982-10-18 JP JP57181515A patent/JPS5879002A/en active Pending
- 1982-10-18 FI FI823556A patent/FI69083C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI69083B (en) | 1985-08-30 |
DE3141499A1 (en) | 1983-04-28 |
US4451649A (en) | 1984-05-29 |
FI823556L (en) | 1983-04-21 |
FI69083C (en) | 1985-12-10 |
EP0077949B1 (en) | 1986-09-17 |
FI823556A0 (en) | 1982-10-18 |
JPS5879002A (en) | 1983-05-12 |
EP0077949A1 (en) | 1983-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |